Method and system for producing low-oxygenate OLEFIN flows
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United States of America Patent
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Nov 29, 2016
Grant Date -
Mar 7, 2013
app pub date -
Apr 21, 2011
filing date -
May 20, 2010
priority date (Note) -
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Abstract
A process and a plant for producing an olefin stream from a hydrocarbon mixture feed stream, wherein the olefin stream is depleted as regards its content of oxygen-containing organic compounds (oxygenates) as compared to the feed stream. The hydrocarbon mixture feed stream is charged to a separation column operated by a thermal separation process, for example to a distillation column, wherein a material stream enriched in oxygenates is withdrawn via a side outlet and removed from the process. The process according to the invention is particularly useful for processing the product streams obtained in the olefin synthesis by an OTO process.
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